Autumn is the season when warm baking spices take center stage. Cinnamon, cardamom, allspice, cloves and nutmeg combine to create a cozy, comforting aroma that makes baked goods feel like home. Inspired by a spice cake recipe from Cooks Illustrated, I adapted the batter to highlight fall flavors and added chopped apples and walnuts to create these Apple Walnut Cupcakes. Topped with a simple Vanilla Bean Buttercream and a sprinkle of chopped walnuts, these cupcakes capture the season and make great use of fresh apples.
The brown butter in this recipe adds depth and a toasty, nutty note that intensifies when the spices are added. As the cupcakes bake, your kitchen fills with the warm spice aroma that tempts you to try one right out of the oven. The ingredient list may look long, but each element contributes to texture and flavor—the crumb is tender, and the apples and walnuts add pleasant moisture and crunch. This batter is versatile; I used it as the base for pear & ginger cupcakes and pumpkin spice cupcakes as well. You can also experiment by adding caramel, pecans, or a mix of different baking apples.
For the frosting I kept things simple and convenient: a Vanilla Bean Buttercream. Instead of scraping a vanilla bean pod, I used vanilla paste, which combines the bean seeds with a concentrated vanilla extract and gives both flavor and visible specks of vanilla. Vanilla paste is widely available from specialty brands; my preferred brand is Nielsen Massey.
recipe adapted from Cooks Illustrated
2 1/4 cups unbleached all-purpose flour (11 1/4 ounces), plus extra for dusting pans
1 tablespoon ground cinnamon
3/4 teaspoon ground cardamom
1/2 teaspoon ground allspice
1/2 teaspoon ground cloves
1/4 teaspoon ground nutmeg
16 tablespoons unsalted butter (2 sticks), softened
1/2 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon table salt
2 large eggs at room temperature
3 large egg yolks at room temperature
1 teaspoon vanilla extract
1 3/4 cups granulated sugar (12 1/4 ounces)
2 tablespoons light molasses or mild molasses
1 tablespoon grated fresh ginger
1 cup buttermilk, at room temperature
2 cups finely chopped Granny Smith apples
1 cup finely chopped walnuts
Adjust an oven rack to the middle position and heat the oven to 350 degrees F. Line two 12-cup muffin pans with paper liners. Combine the ground spices in a small bowl and set aside.
In an 8-inch skillet, heat 4 tablespoons of the butter over medium heat until melted, about 1 to 2 minutes. Continue cooking, swirling the pan, until the butter becomes light brown and releases a faint nutty aroma, 2 to 4 minutes. Add the spice mixture and cook, stirring constantly, for 15 seconds. Remove from the heat and let cool to room temperature, about 30 minutes.
Whisk the flour, baking powder, baking soda and salt together in a medium bowl. In a small bowl, gently whisk the eggs, yolks and vanilla until combined.
In the bowl of a stand mixer fitted with the paddle attachment, cream the remaining 12 tablespoons of butter with the granulated sugar and molasses at medium-high speed until pale and fluffy, about 3 minutes, scraping the bowl twice. Reduce the speed to medium and add the cooled brown butter and spice mixture, the grated ginger and half of the egg mixture; mix until combined, about 15 seconds. Add the remaining egg mixture and scrape the bowl.
Reduce the mixer to low and add about one-third of the flour mixture, then half of the buttermilk, mixing until just incorporated after each addition. Add half of the remaining flour and the rest of the buttermilk, then finish with the last of the flour. Mix at medium speed just until the batter is smooth, about 15 seconds; finish by folding once or twice with a rubber spatula to incorporate any pockets of flour. Fold in the chopped apples and walnuts until evenly distributed.
Divide the batter evenly among the prepared liners, filling each about two-thirds full. Bake for 20 to 22 minutes, rotating the pans once halfway through baking. Test for doneness with a toothpick; it should come out clean or with a few moist crumbs. Remove the cupcakes from the oven and cool completely on a wire rack before frosting.
2½ sticks unsalted butter, softened
1 teaspoon vanilla paste
2½ cups confectioners’ sugar (10 ounces)
Pinch of salt
2 tablespoons heavy cream or half-and-half
1/4 cup chopped walnuts for garnish
In a stand mixer fitted with the whisk attachment, beat the softened butter at medium-high speed until smooth, about 20 seconds. Add the vanilla paste and beat briefly to combine.
Add the confectioners’ sugar and a pinch of salt; beat on medium-low until most of the sugar is moistened, about 1 minute. Scrape the bowl and beat at medium speed until the sugar is fully incorporated, about 30 seconds. Add the heavy cream or half-and-half, beat to combine, then increase the speed to medium-high and whip until the frosting is light and fluffy, about 3 to 4 minutes, scraping the bowl once or twice.
Fit a pastry bag with a star tip and pipe swirls of buttercream onto the cooled cupcakes. Garnish each cupcake with a sprinkle of chopped walnuts.
These Apple Walnut Cupcakes keep well in an airtight container in the refrigerator for several days; bring them to room temperature before serving for the best texture and flavor. The spice-forward cake pairs wonderfully with the smooth vanilla buttercream, and the apples add a bright, juicy contrast to the warm spices. Experiment with different apple varieties or swap walnuts for pecans to suit your taste.